book Maths Puzzle Numerical Ability

What oreder of operationis used to evaluate algbraic expressions? Do you multiply or divide frist?

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book Other Question

12x squared + 5x-2=0 can anyone answer this question?
Find the coordinates of the image of a segment whose endpoints are D(-2,3)and K(1,2)after each transformation.
1. a translation of right 4 and do